Describir: Traffic and transportation plan for the Calcutta Metropolitan district :

   _____    ______    _  _      ___     __   _     ______   _    _      ___    
  / ___//  /_   _//  | \| ||   / _ \\  | || | ||  /_   _// | |  | ||   / _ \\  
  \___ \\   -| ||-   |  ' ||  | / \ || | '--' ||   -| ||-  | |/\| ||  | / \ || 
  /    //   _| ||_   | .  ||  | \_/ || | .--. ||   _| ||_  |  /\  ||  | \_/ || 
 /____//   /_____//  |_|\_||   \___//  |_|| |_||  /_____// |_// \_||   \___//  
`-----`    `-----`   `-` -`    `---`   `-`  `-`   `-----`  `-`   `-`   `---`